var createError = require('http-errors');
var express = require('express');
var app = express();
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var session = require('express-session');
var server = require('http').createServer(app);
var io = require('socket.io')(server);
var connection = require('./controller/socket');

var loginCheck = require('./controller/loginCheck');
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var roomRouter = require('./routes/room');

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

var sessionMiddleware = session({
  secret: 'keyboard cat',
  resave: false,
  saveUninitialized: true
});
io.use(function (socket, next) {
  sessionMiddleware(socket.request, socket.request.res, next);
  return;
});
app.use(sessionMiddleware);
// 连接socket
io.on('connection', socket => connection(io, socket));

app.use(loginCheck);
app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/room', roomRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

require('./mysql/seque');

server.listen(3000);

// module.exports = app;
